TOOLS & CHARTS ―
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Cosmetics
CONTROLS: Quantity and size of local defects within a specific aperture. Local defects could be scratches, pits, broken bubbles, sleeks, scuff marks or coating blemishes.
RELATED TERMS: Scratch-Dig, ISO 10110 Part 7, Defect Grade
SPECIFICATIONS MUST CONTAIN: Grade to be met under specific grading system
OPTIMAX PREFERRED SPECIFICATION: Scratch-Dig per MIL-PRF-13830B
REASONS: Historical familiarity
MANUFACTURING STANDARDS: MIL-PRF-13803B, ISO 10110-7, OEOSC OPI.002-2009
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OF THE MANUFACTURING TOLERANCE CHART
Learn from the Experts
Lens Tolerancing & Inspection Technical Paper
Role of Surface Roughness In Optical Performance
This paper examines the role surface roughness plays in optical system performance,
discusses the components of a surface roughness specification, and
contrasts roughness with cosmetic defects.
